Industrial mixing machine



FIG. 1 is a perspective view of one embodiment of my new design;

FIG. 2 is a front view of the new design;

FIG. 3 is a back view of the new design;

FIG. 4 is a first end view of the new design;

FIG. 5 is a send end view of the new design;

FIG. 6 is a top view of the new design; and,

FIG. 7 is a bottom view of the new design. 

The ornamental design for an industrial mixing machine, as shown and desced. 